As the Best Exotic Marigold Hotel has only a single remaining vacancy - posing a rooming predicament for two fresh arrivals - Sonny pursues his expansionist dream of opening a second hotel.

Mysterious events in the wake of a freak motorcycle accident sow the seeds of a new religion.

When a letter accuses a revered cult leader of abuse, rookie detective Roohi Kartar is sent to a small Indian town to investigate. Confronted by a wall of silence and blind devotion, she must uncover the truth before it's too late.